A bone mineral density scans are required to detect early signs of osteoporosis because normal x-rays? - early signs of osteoporosis
   was not recognized until it ------- percent of bone density? 
 Possible responses: 
 A. 20% 
 B. 30% 
 C. 50% 
 D. 80%   


 
1 comment:
30% is the answer. This is a big problem, especially for women after menopause.
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